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1 /* |
1 /* |
2 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
5 * This code is free software; you can redistribute it and/or modify it |
6 * under the terms of the GNU General Public License version 2 only, as |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
435 thread->check_and_wait_while_suspended(); |
435 thread->check_and_wait_while_suspended(); |
436 |
436 |
437 return op; |
437 return op; |
438 } |
438 } |
439 |
439 |
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440 |
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441 // Performs initialization at vm startup |
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442 // For BSD we remove any stale .java_pid file which could cause |
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443 // an attaching process to think we are ready to receive on the |
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444 // domain socket before we are properly initialized |
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445 |
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446 void AttachListener::vm_start() { |
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447 char fn[UNIX_PATH_MAX]; |
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448 struct stat64 st; |
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449 int ret; |
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450 |
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451 int n = snprintf(fn, UNIX_PATH_MAX, "%s/.java_pid%d", |
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452 os::get_temp_directory(), os::current_process_id()); |
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453 assert(n < (int)UNIX_PATH_MAX, "java_pid file name buffer overflow"); |
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454 |
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455 RESTARTABLE(::stat64(fn, &st), ret); |
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456 if (ret == 0) { |
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457 ret = ::unlink(fn); |
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458 if (ret == -1) { |
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459 debug_only(warning("failed to remove stale attach pid file at %s", fn)); |
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460 } |
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461 } |
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462 } |
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463 |
440 int AttachListener::pd_init() { |
464 int AttachListener::pd_init() { |
441 JavaThread* thread = JavaThread::current(); |
465 JavaThread* thread = JavaThread::current(); |
442 ThreadBlockInVM tbivm(thread); |
466 ThreadBlockInVM tbivm(thread); |
443 |
467 |
444 thread->set_suspend_equivalent(); |
468 thread->set_suspend_equivalent(); |